Active: new fund Jun 2026 Verified 4 Nov 2026
Thirdrockventures
Boston healthcare venture firm that builds companies in science and medicine, citing more than 70 companies built.
- Type
- VC firm
- Location
- Boston, Massachusetts, United States
- Stages
- Pre-seed, Seed
- Backs
- Medtech and digital health
- Sectors
- Healthtech and life sciences, Biotech
- Fund size / AUM
- $1.11B Third Rock Ventures VI (Form D offering, 2022)
- Latest fund or filing
- 3 Jun 2026
- Portfolio mix
- Biotech and pharma 94%; Medtech and digital health 6% (n=18, 2019 to 2026)
- Website
- www.thirdrockventures.com
Fund filings (SEC Form D)
- Latest fund on file
- Third Rock Ventures VII
- Filed
- 3 Jun 2026 (new notice)
- Fund size
- $750M (total offering)
- Fund vehicles filed in the last 12 months
- 1 (includes feeder and parallel vehicles)
See this fund's filings on SEC EDGAR
Contacts on file
For Thirdrockventures, the paid file holds: 8 named decision-makers with roles; LinkedIn page.
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Notable investments
Revolution MedicinesMarea TherapeuticsMerida Biosciences
Sources
- www.sec.gov/Archives/edgar/data/2136590/000101297526000516/
- adviserinfo.sec.gov/firm/summary/161185
- www.thirdrockventures.com/
- www.thirdrockventures.com/portfolio
- www.sec.gov/Archives/edgar/data/1931056/000101297522000263/
- www.thirdrockventures.com/people
Last checked 4 Nov 2026. Is something wrong? Tell us.
Appears in 30 lists
Medtech investors in Massachusetts (37)Biotech investors in Massachusetts (37)Pre-seed investors in Massachusetts (48)Healthtech investors in Massachusetts (58)Seed investors in Massachusetts (60)Pre-seed biotech investors in the US (81)Pre-seed medtech investors in the US (95)Pre-seed medtech investors (129)Pre-seed biotech investors (148)Seed biotech investors in the US (159)Venture capital firms in Massachusetts (185)Seed medtech investors in the US (205)Pre-seed healthtech investors in the US (225)Seed medtech investors (278)Biotech venture capital firms in the US (297)Seed biotech investors (300)Medtech venture capital firms in the US (350)Pre-seed healthtech investors (408)Seed healthtech investors in the US (437)Medtech investors (457)Biotech investors (484)Pre-seed investors in the US (549)Healthtech venture capital firms in the US (709)Seed healthtech investors (800)Pre-seed investors (988)Seed investors in the US (1,043)Healthtech investors (1,207)Active venture capital firms in the US (1,574)Seed investors (1,892)Venture capital firms in the US (2,975)